643263050 has 24 divisors (see below), whose sum is σ = 1259443200. Its totient is φ = 243762480.

The previous prime is 643263043. The next prime is 643263073. The reversal of 643263050 is 50362346.

643263050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337610 + ... + 339509.

It is an arithmetic number, because the mean of its divisors is an integer number (52476800).

Almost surely, 2^643263050 is an apocalyptic number.

643263050 is a deficient number, since it is larger than the sum of its proper divisors (616180150).

643263050 is a wasteful number, since it uses less digits than its factorization.

643263050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677150 (or 677145 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 643263050 is about 25362.6309755120. The cubic root of 643263050 is about 863.2359831529.

It can be divided in two parts, 64326 and 3050, that added together give a palindrome (67376).

The spelling of 643263050 in words is "six hundred forty-three million, two hundred sixty-three thousand, fifty".